12391815

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5471}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 19961856

約数和(自身を除く): 7570041

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 5471, 16413, 27355, 82065, 826121, 2478363, 4130605, 12391815]

約数ペア:

[(1, 12391815), (3, 4130605), (5, 2478363), (15, 826121), (151, 82065), (453, 27355), (755, 16413), (2265, 5471)]